Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D290442 | Electronic door lock | Alfred E. Floyd | 1987-06-23 |
| D288899 | Magnetic card-operated electronic door lock | Alfred E. Floyd | 1987-03-24 |
| D280799 | Combined alarm exit latch and lock therefor | — | 1985-10-01 |
| D279647 | Combined alarm exit latch and lock therefor | — | 1985-07-16 |
| D272516 | Key blank | — | 1984-02-07 |
| D268003 | Exit operator | — | 1983-02-22 |